The word(s) "thereby" appears 17 time(s) in 15 verse(s) in Quran in Mohsin Khan translation.

(11) And strain not your eyes in longing for the things We have given for enjoyment to various groups of them (polytheists and disbelievers in the Oneness of Allah), the splendour of the life of this world, that We may test them thereby. But the provision (good reward in the Hereafter) of your Lord is better and more lasting.

(12) And those who disbelieve say: "Why is not the Qur'an revealed to him all at once?" Thus (it is sent down in parts), that We may strengthen your heart thereby. And We have revealed it to you gradually, in stages. (It was revealed to the Prophet صلى الله عليه وسلم in 23 years.).

(13) That We may give life thereby to a dead land, and We give to drink thereof many of the cattle and men that We had created.

(14) See you not that Allah sends down water (rain) from the sky, and causes it to penetrate the earth, (and then makes it to spring up) as water-springs, and afterward thereby produces crops of different colours, and afterward they wither and you see them turn yellow; then He makes them dry and broken pieces. Verily, in this is a Reminder for men of understanding.

(15) That We might try them thereby. And whosoever turns away from the Reminder of his Lord (i.e. this Qur'an, - and practise not its laws and orders), He will cause him to enter in a severe torment (i.e. Hell).